Habashi, F. (1998). The age of alchemy: History of chemistry, metallurgy, and civilisation. Interdisciplinary Science Reviews, 23(4), 348–361. https://doi.org/10.1179/isr.1998.23.4.348 Kim, S., Kim, B., Kim, J., et al. (2015). Electrogenic transport and K+ ion channel expression by the human endolymphatic sac epithelium. Scientific Reports, 5, 18110. https://doi.org/10.1038/srep18110 Liu, S., Wang, S., Zou, L., & Xiong, W. (2021). Mechanisms in cochlear hair cell mechano-electrical transduction for acquisition of sound frequency and intensity. Cellular and Molecular Life Sciences, 78(12), 5083–5094. https://doi.org/10.1007/s00018-021-03840-8 Mei, L., Chen, J., Zong, L., Zhu, Y., Liang, C., Jones, R. O., & Zhao, H. B. (2017). A deafness mechanism of digenic Cx26 (GJB2) and Cx30 (GJB6) mutations: Reduction of endocochlear potential by impairment of heterogeneous gap junctional function in the cochlear lateral wall. Neurobiology of Disease, 108, 195–203. https://doi.org/10.1016/j.nbd.2017.08.002 Oestreicher, E., Wolfgang, A., & Felix, D. (2002). Neurotransmission of the cochlear inner hair cell synapse—implications for inner ear therapy. Advances in Otorhinolaryngology, 59, 131–139. https://doi.org/10.1159/000059245 Tonndorf, J. (1975). Davis-1961 revisited. Signal transmission in the cochlear hair cell-nerve junction. Archives of Otolaryngology, 101(9), 528–535. https://doi.org/10.1001/archotol.1975.00780380006002